Easiest, most effective way to stand up a collaborative portal? [more inside]
posted by brandnew on Aug 27, 2008 - 8 answers

What options do I have for hosted project collaboration sites? [more inside]
posted by tdischino on Jan 30, 2007 - 9 answers

Know of an online collaborative bookmarking tool for within a closed set of users ? Of course, there's [more inside]
posted by superfurry on Nov 20, 2006 - 5 answers

Help me find collaborative hex-mapping software. [more inside]
posted by jammer on Sep 29, 2006 - 1 answer